Public Works Department Tender

Steel reinforcement for R.C.C.work including straightening , cutting , bending , placing in position and binding all complete upto plinth level - Thermo Mechanically treated bars (TISCON / VIZAG / IISCO / SAIL / JSW) Fe - 415 or more

Brick work with common burnt clay F.P.S. (non modular) bricks of class designation 3.5 in foundation and plinth in - cement mortar 1:6 (1 cement : 6 coarse sand)

Steel work in built up tubular (round,square or rectanglar hollow tubes etc.) trusses etc., including cutting , hoisting,fixing in position and applying a priming coat of approved steel primer, including welding and bolted with special shaped washers etc. complete - hot finished welded type tubes

Cement concrete flooring 1:2:4 (1 cement : 2 coarse sand : 4 graded stone aggregate) finished with a floating coat of neat cement, including cement slurry, but excluding the cost of nosing of steps etc .complete - 40mm thick with 20mm nominal size stone aggregate

Providing and fixing colour coated galvalume sheet of 550 M.P.A. yield of AZ 150 strength formed as per patterned steel rib profile with the depth of 31 mm pitch of 250 mm and overall width of 1060 mm and thickness 0.5mm with required J or C hook bolts and nuts 8mm dia G.S.paint and working etc., complete excluding the cost of purlin , rafter and truss etc.,

15mm cement plaster on the rough side of single or half brick wall of mix - 1:6 (1cement : 6 fine sand)

Applying one coat of water thinnable cement primer of approved brand and manufacture on wall surface - water thinnable cement primer

Wall painting with plastic emulsion paint - Royal of approved brand and manufacture to give an even shade - two or more coats on new work

Painting with synthetic enamel paint of approved brand and manufacutre to give an even shade - Two or more coats on new work

Repairs to plaster of thickness 12mm to 20mm in patches of area 2.5 sq.metres and under including cutting the patch in proper shape, raking out joints and preparing and plastering the surface of the walls complete including disposal of rubbish to the dumping ground within 50 metres lead - with cement mortar 1:4 (1 cement : 4fine sand)

Removing white or colour wash by scrapping and sand papering and preparing the surface smooth including necessary repairs to scrarches etc.complete

Providing and fixing double scaffolding system (cup lock type) on the exterior side, upto seven story hight made with 40 mm dia .M.S.tube 1.5m centre to centre , horizontal & vertical tubes joining with cup & lock system with M.S.tubes, M.S.tube challies, M.S.clamps and M.S.staircase system in the scaffolding for working platform etc. and maintaining it in a serviceable condition for the required duration as approved and removing it there after. The scaffolding system shall be stiffened with bracings, runners, connection with the building etc wherever required for inspection of work at required locations with essential safety features for the workmen etc.complete as approved. The elevational area of the scaffolding shall be measured for payment purpose. The payment will be made once irrespective of duration of scaffolding. (Note: This item to be used for maintenance work judicically, necessary deduction for scaffolding in the existing item to be done.)

Demolishing lime concrete manually / by mechanical means and disposal of material within 50 metres

Grading roof for water proofing treatment with - Cement concrete 1:2:4 (1 cement : 2 coarse sand : 4 graded stone aggregate 20 mm nominal size)

Chipping of unsound / weak concrete material from slabs, beams , columns etc. with manual Chisel and / or by standard power driven percussion type or of approved make including tapering of all edges , making square shoulders of cavities including cleaning the exposed concrete surface and reinforcement with wire brushes etc. and disposal of debris for all lead and lifts all complete - 50 mm average thickness

Cleaning of reinforcement from rust from the reinforcing bars to give it a total rust free steel surface by using alkaline chemical rust remover of approved make with paint brush and removing loose particles after 24 hours of its application with wire brush and thoroughly washing with water and allowing it to dry , all complete - Bars above 12mm diameter

Providing , mixing and applying bonding coat of approved adhesive on chipped portion of RCC as per specifications and complete in all respect - SBR Polymer (@ 10% of cement weight ) modified cementitious bond coat @ 2.2 kg cement per sqm of surface area mixed with specified proportion of approved polymer

Providing , mixing and applying SBR polymer (of approved make ) modified Cement mortar in proportion of 1:4 (1 cement : 4 graded coarse sand with polymer minimum 2% by wt.of cement used) as per specifications . Note: Measurement and Payment : The Pre-meaurement of thickness shall be done just after the surface preparation is completed and payment under this item shall be made only after proper wet curing has been done and surface has been satisfactorily evaluated by sounding / tapping with a blunt metal instrument and / or the 75mm size cube crusing strength at the end of 28 days to be not less than 30 N / Sqmm) - 50 mm average thickness in two layers

Supply of Quarry rubbish including stacking to department gauge for premeasurement and spreading required thickness

Finishing walls with premium apex ultima of required shade new work (Two or more coats applied @ 1.43ltr/10sqm over and including base coat of water proofing cement paint applied @2.20kg/10Sqm

coarse sand : 6 graded stone aggregate 20mm